A 7-month-old Boy With Liver Abscesses

Marchetti, Federico MD; Taddio, Andrea MD; L'Erario, Ines MD; Ventura, Alessandro MD

Journal of Pediatric Gastroenterology & Nutrition: February 2010 - Volume 50 - Issue 2 - p 117
doi: 10.1097/MPG.0b013e3181c615b1
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From the Department of Pediatrics, Institute of Child Health, IRCCS Burlo Garofolo, University of Trieste, Trieste, Italy.

Received 23 June, 2009

Accepted 4 October, 2009

Address correspondence and reprint requests to Andrea Taddio, Department of Pediatrics, Institute of Child Health, IRCCS Burlo Garofolo, University of Trieste, Via dell'Istria 65/1, 34100, Trieste, Italy (e-mail: ataddio@yahoo.it).

The authors report no conflicts of interest.

Article Outline

A 7-month-old boy was referred to our department with a 2-week history characterized by weight loss. Initial physical examination was unremarkable, except for hepatosplenomegaly. Laboratory tests revealed increased liver enzymes (alanine amino transferase: 98 U/L, normal value 10–44; aspartate aminotransferase: 105 U/L, normal value 10–34 with normal-range bilirubin: 0.19 mg/dL, normal value 0–1); severe anemia (7.7 g/dL, normal value 9.5–13.5) with neutrophilic leukocytosis (white blood cell: 19,410 × 103/μL, normal value 6000–13,000; neutrophils 9900 × 103/μL, normal value 1500–8500), and elevated inflammatory markers (erythrocyte sedimentation rate: 120 mm/hour, normal value 2–20; C-reactive protein: 6.41 mg/dL, normal value 0–0.5). A hepatic ultrasonography revealed a large number of hyperechoic hepatic lesions. A computerized axial tomography scan confirmed the presence of hepatic lesions consistent with liver abscesses (Fig. 1). Chronic granulomatous disease (CGD) was suspected. The positivity of superoxide anion production and nitroblue tetrazolium tests confirmed our diagnosis. A liver biopsy showed the presence of a necrotizing granulomatous hepatitis; blood and biopsy cultures did not detect fungi or bacterial agents. As reported in the literature, the search for microorganisms during infections in patients with CGD, despite proper procedure, is often negative (1). Staphylococcal species and fungi (eg, candida, aspergillus) are the most common organisms isolated in liver abscesses in CGD; in particular, Staphylococcus aureus accounts for more than 50% of liver infections (2). Therefore, empirical treatment with antibiotics (clindamycin: 30 mg · kg−1 · 24 h−1 IV and ciprofloxacin: 12.5 mg · kg−1 · 24 h−1 IV) and antifungal medications (voriconazole: 15 mg · kg−1 · 24 h−1 IV) was started and maintained for 40 days. CGD is an inherited primary immunodeficiency disease, occurring with a frequency of 1 in 200,000 (3).

There is no definite consensus about the management of liver abscesses in CGD. Most authors emphasize the importance of a surgical intervention (4,5). In our case, as reported by other authors (6), the decision not to drain the abscesses was based on the dramatic response to antibiotics that occurred in 1 month (Fig. 2); surgery would have been considered an option if no result arose after 2 months of antibiotic treatment.

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